deploy to existing azure container app

Author: MalteSchwitters

.github/workflows/build.yml

@@ -110,4 +110,8 @@ jobs:
         uses: azure/container-apps-deploy-action@v1
         with:
           imageToDeploy: ghcr.io/grossherzogin-elisabeth/eventplanner:main
+          resourceGroup: "rg-eventplanner-live"
+          containerAppEnvironment: "cae-eventplanner-live"
+          containerAppName: "ca-eventplanner-live"
+